import router, {asyncRoutes} from './router'
import store from './store'
import { Message } from 'element-ui'
import NProgress from 'nprogress' // progress bar
import 'nprogress/nprogress.css' // progress bar style
import {getRoleResource, getToken, setRoleResource} from '@/utils/auth' // get token from cookie
import getPageTitle from '@/utils/get-page-title'
import {filterAsyncRoutes} from "@/store/modules/permission";

NProgress.configure({ showSpinner: false }) // NProgress Configuration

const whiteList = ['/login'] // no redirect whitelist


function generateRoutes(roles) {
    let accessedRoutes
    if (roles.includes('admin')) {
      accessedRoutes = asyncRoutes || []
    } else {
      accessedRoutes = filterAsyncRoutes(asyncRoutes, roles)
    }
    // setRoleResource(roles);
    return accessedRoutes;
}

router.beforeEach(async(to, from, next) => {
  // start progress bar
  NProgress.start()

  // set page title
  document.title = getPageTitle(to.meta.title)

  // determine whether the user has logged in
  const hasToken = getToken()

  // const hasToken = true

  if (hasToken) {
    if (to.path === '/login') {
      // if is logged in, redirect to the home page
      next({ path: '/' })
      NProgress.done()
    } else {
      const hasRoleResource = getRoleResource()
      if (hasRoleResource) {
        next()
      } else {
        try {
          // get user info
          // await store.dispatch('user/getInfo', { token: getToken() })
          const roles = ['user']
          const accessRoutes = generateRoutes(roles)
          console.log(accessRoutes,'accessRoutes')
          // dynamically add accessible routes
          router.addRoutes(accessRoutes)
          //
          // next({ ...to, replace: true })
          next()
        } catch (error) {
          // remove token and go to login page to re-login
          await store.dispatch('user/resetToken')
          Message.error(error || 'Has Error')
          next(`/login?redirect=${to.path}`)
          NProgress.done()
        }
      }
    }
  } else {
    /* has no token*/

    if (whiteList.indexOf(to.path) !== -1) {
      // in the free login whitelist, go directly
      next()
    } else {
      // other pages that do not have permission to access are redirected to the login page.
      next(`/login?redirect=${to.path}`)
      NProgress.done()
    }
  }
})

router.afterEach(() => {
  // finish progress bar
  NProgress.done()
})
